#include <stdio.h>
//a{n+1} = -2a{n} + 4, a{0}=2(再帰あり版)
int rec(int n){
	int an=2;
	for(int i=0;i<n;i++){
		an=-2*an+4;
	}
	return an;
}
int main(void) {
    int n,m;
    scanf("%d",&n);
    scanf("%d",&m);
    printf("数列a%dの値は%d\n", n, rec(n));
    printf("数列a%dの値は%d\n", m, rec(m));
   	return 0;
}