func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int a[112];     int i;     for (i = 0; i < 4; i++) cin >> a[i];     sort(a, a + 4);     int tr = 0, seg = 0, im = 0;     if (a[1] + a[2] > a[3]) {       tr++;     } else if (a[0] + a[1] > a[3]) {       tr++;     } else if (a[0] + a[2] > a[3]) {       tr++;     } else if (a[0] + a[1] > a[2]) {       tr++;     } else if (a[0] + a[1] == a[2])       seg++;     else if (a[0] + a[2] == a[3])       seg++;     else if (a[1] + a[2] == a[3])       seg++;     else if (a[0] + a[1] == a[3])       seg++;     else       im++;     if (tr > 0)       cout <<  TRIANGLE  << endl;     else if (seg > 0)       cout <<  SEGMENT  << endl;     else if (im > 0)       cout <<  IMPOSSIBLE  << endl;   }   