#include <stdio.h>
#include <string.h>

int C[1001][1001];
int main(void){
	char S[1001];
	int i,j,c[26],M,ans;
	
	scanf("%s",S);
	M = strlen(S);


	for(i=0;i<1001;i++){
		C[i][i] = 1;
		C[i][0] = 1;
	}

	for(i=0;i<1001;i++){
		for(j=1;j<i;j++){
			C[i][j] = (C[i-1][j] + C[i-1][j-1]) % 573;
		}
	}

	for(i=0;i<26;i++){
		c[i] = 0;
	}

	for(i=0;i<M;i++){
		c[S[i] - 'A']++;
	}

	ans = 1;
	for(i=0;i<26;i++){
		ans = ans * C[M][c[i]] % 573;
		M = M - c[i];
	}
	ans = (ans - 1 + 573) % 573;

	printf("%d\n",ans);
}