func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     int n, sum = 0, l = -99999999, r = 99999999;     scanf( %d , &n);     for (int i = 0; i < n; ++i) {       int rat, div;       scanf( %d , &rat), scanf( %d , &div);       if (div == 1)         l = max(l, 1900 - sum);       else         r = min(r, 1899 - sum);       sum += rat;     }     if (r >= 99999999)       cout <<  Infinity n ;     else if (l > r)       cout <<  Impossible n ;     else       cout << sum + r <<   n ;     return 0;   }   