#include <stdio.h>
int main(void){
	int N, M;
	scanf("%d%d",&N,&M);
	printf("%d %d\n",N,M);
	
	int A = 0;
	int B = 0;
	for(int i = 0;i < N;i ++){
		A *= 2;
	}
	for(int i = 0;i < M;i ++){
		B *= 2;
	}
	printf("A：%d B：%d\n",A,B);
	int count = 0;
	for(int i = 1;i <= A;i ++){
		if(i % B == 0){
			count++;
		}
	}
	printf("%d",count);
}