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

typedef struct Segment_tag {
	int l;
	int r;
	
	Segment_tag(){}
	
	Segment_tag(int l_, int r_){
		l = l_;
		r = r_;
	}
	
	inline bool contain(int x){
		return l <= x && x <= r;
	}
} Segment;

int L = -1, R;
Segment global;
int l[100007], pre[100007][7], nxt[100007][7], ans[100007];
char s[100007], t[100007];
Segment dp[100007];

inline int min(int a, int b){
	return a < b ? a : b;
}

inline int max(int a, int b){
	return a > b ? a : b;
}

Segment operator |(const Segment a, const Segment b){
	if (a.l > a.r) return b;
	if (b.l > b.r) return a;
	return Segment(min(a.l, b.l), max(a.r, b.r));
}

void operator |=(Segment &a, const Segment b){
	a = a | b;
}

inline void move(int l, int r){
	if (L < l){
		L = l;
		R = l - 1;
		global = Segment(1e9, 0);
	}
	while (R < r) global |= dp[++R];
}

inline void normalize(Segment &seg, int ch){
	if (seg.l > seg.r) return;
	seg.l = nxt[seg.l][ch];
	seg.r = pre[seg.r][ch];
}

int main(){
	int n, m, mi, pos;
	bool flag = true;
	scanf("%s %s", &s[1], &t[1]);
	n = strlen(&s[1]);
	m = strlen(&t[1]);
	mi = m + 1;
	for (int i = 1; i <= n; i++){
		l[i] = s[i] == s[i - 1] ? l[i - 1] : i;
	}
	for (int i = 1; i <= m; i++){
		for (int j = 0; j <= 1; j++){
			pre[i][j] = t[i] - 'A' == j ? i : pre[i - 1][j];
		}
	}
	for (int i = 0; i <= 1; i++){
		nxt[mi][i] = mi;
	}
	for (int i = m; i >= 1; i--){
		for (int j = 0; j <= 1; j++){
			nxt[i][j] = t[i] - 'A' == j ? i : nxt[i + 1][j];
		}
	}
	dp[0] = Segment(1e9, 0);
	for (int i = 1; i <= n; i++){
		if (flag && s[i] == t[1]){
			dp[i] = Segment(1, 1);
		} else {
			dp[i] = Segment(1e9, 0);
		}
		move(max(l[i - 1] - 1, 0), i - 1);
		dp[i] |= Segment(global.l + 1, min(global.r + 1, m));
		normalize(dp[i], s[i] - 'A');
		flag &= s[i] == s[1];
	}
	pos = n;
	flag = true;
	while (pos >= 1){
		if (s[pos] == t[m] && dp[pos].contain(m)) break;
		if (s[pos] != s[n]){
			flag = false;
			break;
		}
		pos--;
	}
	if (pos == 0 || !flag){
		printf("NO");
		return 0;
	}
	printf("YES\n");
	for (int i = pos, j = m; j >= 1; j--){
		ans[j] = i;
		if (j == 1) break;
		do {
			i--;
		} while (s[i] != t[j - 1] || !dp[i].contain(j - 1));
	}
	for (int i = 1; i <= m; i++){
		printf("%d ", ans[i]);
	}
	return 0;
}