#include <stdio.h>

int main() {
	int data[4] = {120, 110, 140, 150};
	int num = 485;
	int low,high,mid;
	low = 0;
	high = 150;
    int result,sum = 0;
    
    
    while(low <= high){
        sum = 0;
        mid = (low + high) / 2;
        for (int i = 0;i < 4;i++) {
            if (data[i] > mid){
                sum += mid;
            }else{
                sum += data[i];
            }
    }
    
    if(sum <= num){
        result = mid;
        low = mid + 1;
    }
    else{
        high = mid - 1;
    }
    }
    printf("%d",result);
	return 0;
}