#include
using namespace std;
int main()
{
int N, M, K;
cin >> N >> M >> K;
int totalTime = N + (M-1) * K;
cout << totalTime << endl;
return 0;
}
输入样例1:
1 1 1
输出样例1:
1
输入样例2:
2 3 4
输出样例2:
14
输入样例3:
0 5 2
输出样例3:
0
输入样例4:
10 2 3
输出样例4:
16
输入样例5:
7 4 1
输出样例5:
10
输入样例6:
100 0 10
输出样例6:
100
输入样例7:
1 1 100
输出样例7:
1
输入样例8:
50 20 5
输出样例8:
99
输入样例9:
100 5 0
输出样例9:
100
输入样例10:
3 2 1
输出样例10:
4
输入样例11:
13 7 3
输出样例11:
30
输入样例12:
8 4 4
输出样例12:
19
输入样例13:
5 3 2
输出样例13:
10
输入样例14:
1 1 0
输出样例14:
1
输入样例15:
0 0 0
输出样例15:
0
输入样例16:
2 1 10
输出样例16:
2
输入样例17:
20 10 1
输出样例17:
29
输入样例18:
50 10 5
输出样例18:
99
输入样例19:
10 5 1
输出样例19:
14
输入样例20:
9 3 3
输出样例20:
14