python/TangDou/AoSaiYiBenTong/YBT1007.cpp

#include <bits/stdc++.h>

using namespace std;

int main() {
    //输入+输出重定向
    freopen("../AoSaiYiBenTong/YBT1007.txt", "r", stdin);

    //正文开始
    int a, b, c;
    scanf("%d %d %d", &a, &b, &c);

    printf("%d", (a + b) * c);
    //关闭文件
    fclose(stdin);
    return 0;
}