// yukicoder: No.251 大きな桁の復習問題(1) // 2019.4.14 bal4u #include #if 1 #define gc() getchar_unlocked() #define pc(c) putchar_unlocked(c) #else #define gc() getchar() #define pc(c) putchar(c) #endif int ins(char *s) // 文字列の入力 スペース以下の文字で入力終了 { char *p = s; do *s = gc(); while (*s++ > ' '); *--s = 0; return s - p; } #define N 1000000000 int base[12000], pow[12000]; void mpStr2Num(int *num, int w, char *str) { char *ss; int *nn; int k, x; if (*str == '0') { *num = 0; return; } ss = str + w; x = 0, k = 1, nn = num; do { x += (*--ss - '0') * k; k *= 10; if (k == N || ss == str) *++nn = x, x = 0, k = 1; } while (ss != str); *num = nn - num; } // 多倍長整数 za を 整数 ab で割ったあまり = za % zb int mpMod(int *za, int zb) { int i = *za; int *aa = za + *za; int ca = 0; long long x; while (i--) { x = (long long)N * ca + *aa--; ca = (int)(x % zb); } return ca; } #define MOD 129402307 char s[100005]; int bigPow(int x, int p) { int r = 1; while (p) { if (p & 1) r = (long long)r * x % MOD; x = (long long)x * x % MOD; p >>= 1; } return r; } int main() { int w, b, p; // Nの入力と処理 w = ins(s); mpStr2Num(base, w, s); if (base[0] == 0) { puts("0"); return 0; } if (base[0] == 1 && base[1] == 1) { puts("1"); return 0; } // Mの入力と処理 w = ins(s); mpStr2Num(pow, w, s); if (pow[0] == 0) { puts("1"); return 0; } if ((b = mpMod(base, MOD)) == 0) { puts("0"); return 0; } p = mpMod(pow, MOD-1); printf("%d\n", bigPow(b, p)); return 0; }