#include <iostream>

int main()
{
    char ch = ' ';
    int n=50,l=1,r=100;
    while (l!=r){
        std::cout << "Your number is larger, smaller or equal to " << n << "? " <<std::endl;
        std::cin >> ch;
        if(ch=='>') l=n;
        if(ch=='<') r=n;
        if(ch=='=') return 0;
        n=(l+r)/2;
    }
    return 0;
}