import std.stdio, std.array, std.string, std.conv, std.algorithm; import std.typecons, std.range, std.random, std.math, std.container; import std.numeric, std.bigint, core.bitop, core.stdc.string; immutable long MOD = 10^^9 + 7; long[][] matmul(long[][] m1, long[][] m2) { int n = m1.length.to!int; long[][] ret = new long[][](n, n); foreach (i; 0..n) foreach (j; 0..n) foreach (k; 0..n) { (ret[i][j] += m1[i][k] * m2[k][j] % MOD) %= MOD; } return ret; } long[][] matpow(long[][] m, long x) { int n = m.length.to!int; long[][] ret = new long[][](n, n); foreach (i; 0..n) ret[i][i] = 1; while (x) { if (x % 2) ret = matmul(ret, m); m = matmul(m, m); x /= 2; } return ret; } long powmod(long a, long x) { long ret = 1; while (x) { if (x & 1) ret = ret * a % MOD; a = a * a % MOD; x /= 2; } return ret; } void main() { auto N = readln.chomp.to!long; long[][] hoge = [[1, 1], [1, 0]]; long ans = 1; foreach (i; 0..N) { auto s = readln.split; auto C = s[0].to!long; auto D = s[1].to!BigInt % (MOD - 1); if (D == 0) D = MOD - 1; auto F = matpow(hoge, C+1)[0][0]; ans = ans * powmod(F, D) % MOD; } ans.writeln; }