func_code_string: #include <bits/stdc++.h>   using namespace std;   long long n, k;   string s;   int32_t main() {     ios_base::sync_with_stdio(false);     cin >> n >> k;     long long left = 1;     long long right = n;     while (right - left > 1) {       long long m1 = (right + left) / 2;       long long m2 = m1 + 1;       cout << 1 <<     << m1 <<     << m2 << endl;       cout.flush();       cin >> s;       if (s ==  TAK ) {         right = m1;       } else         left = m2;     }     long long f;     long long s1 = -1;     long long s2 = -1;     if (left == right)       f = left;     else {       cout << 1 <<     << left <<     << right << endl;       cout.flush();       cin >> s;       if (s ==  TAK ) {         f = left;       } else         f = right;     }     left = 1;     right = f - 1;     if (right >= left) {       while (right - left > 1) {         long long m1 = (right + left) / 2;         long long m2 = m1 + 1;         cout << 1 <<     << m1 <<     << m2 << endl;         cout.flush();         cin >> s;         if (s ==  TAK ) {           right = m1;         } else           left = m2;       }       if (left == right)         s1 = left;       else {         cout << 1 <<     << left <<     << right << endl;         cout.flush();         cin >> s;         if (s ==  TAK ) {           s1 = left;         } else           s1 = right;       }     }     left = f + 1;     right = n;     if (right >= left) {       while (right - left > 1) {         long long m1 = (right + left) / 2;         long long m2 = m1 + 1;         cout << 1 <<     << m1 <<     << m2 << endl;         cout.flush();         cin >> s;         if (s ==  TAK ) {           right = m1;         } else           left = m2;       }       if (left == right)         s2 = left;       else {         cout << 1 <<     << left <<     << right << endl;         cout.flush();         cin >> s;         if (s ==  TAK ) {           s2 = left;         } else           s2 = right;       }     }     if (s1 != -1) {       cout <<  1   << s1 <<     << f << endl;       cout.flush();       cin >> s;       if (s ==  TAK ) {         cout << 2 <<     << f <<     << s1 << endl;         cout.flush();         return 0;       }     }     cout << 2 <<     << f <<     << s2 << endl;     cout.flush();     return 0;   }   