Untitled

#include <iostream>
#include <string>
#include <ctime>

using namespace std;

void total(int a, int n, int m, int s, int b, int ans) {
	int d = a * n * m;
	int c = s * b;
	ans = d + c;
	cout << ans;
}
int main()
{
int a, b,n,m,s;
	int ans;
	ans = 0;
	cin >> a >> b >> n >> m >>s;
	total(a, n, m, s, b, ans);
}