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.stdio; void main() { auto S = readln.chomp; auto T = readln.chomp; string s, t; int[] sx, tx; foreach (c; S) { if (c == '?') sx.back = 1; else if (c == '*') sx.back = 2; else s ~= c, sx ~= 0; } foreach (c; T) { if (c == '?') tx.back = 1; else if (c == '*') tx.back = 2; else t ~= c, tx ~= 0; } auto n = s.length.to!int; auto m = t.length.to!int; auto dp = new int[][](n + 1, m + 1); foreach (i; 0..n+1) dp[i][] = 1 << 29; dp[0][0] = 0; foreach (i; 0..n+1) { foreach (j; 0..m+1) { if (i == n && j == m) { continue; } if (i == n) { dp[i][j+1] = min(dp[i][j+1], dp[i][j] + (tx[j] == 0)); continue; } if (j == m) { dp[i+1][j] = min(dp[i+1][j], dp[i][j] + (sx[i] == 0)); continue; } if (sx[i] == 2 && tx[j] == 2) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); dp[i+1][j] = min(dp[i+1][j], dp[i][j]); dp[i][j+1] = min(dp[i][j+1], dp[i][j]); } else if (sx[i] == 2) { dp[i+1][j] = min(dp[i+1][j], dp[i][j]); if (s[i] == t[j]) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); dp[i][j+1] = min(dp[i][j+1], dp[i][j]); } } else if (tx[j] == 2) { dp[i][j+1] = min(dp[i][j+1], dp[i][j]); if (s[i] == t[j]) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); dp[i+1][j] = min(dp[i+1][j], dp[i][j]); } } if (sx[i] == 1 && tx[j] == 1) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); dp[i+1][j] = min(dp[i+1][j], dp[i][j]); dp[i][j+1] = min(dp[i][j+1], dp[i][j]); } else if (sx[i] == 1) { dp[i+1][j] = min(dp[i+1][j], dp[i][j]); if (s[i] == t[j]) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); } } else if (tx[j] == 1) { dp[i][j+1] = min(dp[i][j+1], dp[i][j]); if (s[i] == t[j]) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); } } if (s[i] == t[j]) { dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j]); } dp[i+1][j] = min(dp[i+1][j], dp[i][j] + 1); dp[i][j+1] = min(dp[i][j+1], dp[i][j] + 1); dp[i+1][j+1] = min(dp[i+1][j+1], dp[i][j] + 1); } } dp[n][m].writeln; }