#include<stdio.h>
#include<string.h>
int main() {
    char a[30] = { 0 };
    int m = 0;
    scanf("%s%d", a, &m);
    char *pa = &a[0];
    for (int i = m-1; i < strlen(a); i++) {
        printf("%c", *(pa + i));
    }
    return 0;
}