C++ :

#include <bits/stdc++.h>
using namespace std;

int main(){
    int x, n = 0;
    do {
        cin >> x;
        if (x == 0) {
            break;
        }
        if (x < 60) {
            n++;
        }

    }while (x != 0);
    cout << n;
    return 0;
}