题解 | #牛牛的通勤#

#include <stdio.h>

int main() {
    int s = 0;
    int t1;
    double t2;
    scanf("%d",&s);
    t1 = s/1;
    t2 = 10+s/10;
    if(t1<t2)
    printf("w");
    else
     printf("v");
    return 0;
}