C언어 swea 1936

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#include <stdio.h>

int main(void){
	int A,B;
	scanf("%d %d", &A, &B);
	if((B == A + 2) || (B == A - 1)){
		printf("A");
	} 
	if((B == A + 1) || (B == A - 2)){
		printf("B");
	}
	return 0;s
}