#include<stdio.h>

int n, r, comb, groups;

void printComb(int n, int groups) {
    int sus = n - groups + 1;

    printf("%d", sus);
    ++sus;
    for(; sus <= n; ++sus)
        printf("*%d", sus);
    printf("/%d", groups + 1);
    for(; groups > 1; --groups) {
        printf("/%d", groups);
    }
}

int main() {
    scanf("%d%d", &n, &r);

    if(n == 4) {
        printf("1");
        return 0;
    }

    comb = n * (n - 1) * (n - 2) * (n - 3) / 24;
    groups = n / 4;

    if(r > 1) printf("(");
    printComb(comb, groups - 1);
    if(r > 1) {
        printf(")");
        printf("^%d", r);
    }

    return 0;
}