diff --git a/yitou/B079.class b/yitou/B079.class
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diff --git a/yitou/B079.java b/yitou/B079.java
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+++ b/yitou/B079.java
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+import java.util.Scanner;
+
+public class B079 {
+
+    public static void main(String[] args) {
+        final Scanner scanner = new Scanner(System.in);
+        final String name1 = scanner.next();
+        final String name2 = scanner.next();
+
+        final String combined1 = name1 + name2;
+        final String combined2 = name2 + name1;
+
+        final int compatibility1 = calculateCompatibility(combined1);
+        final int compatibility2 = calculateCompatibility(combined2);
+
+        // 大きいほう出力
+        System.out.println(Math.max(compatibility1, compatibility2));
+    }
+
+    private static int calculateCompatibility(String combined) {
+        // 文字列を数列に変換
+        int[] sequence = new int[combined.length()];
+        for (int i = 0; i < combined.length(); i++) {
+            sequence[i] = combined.charAt(i) - 'a' + 1; // aを1,bを2,~zを26
+        }
+
+        // 更新
+        while (sequence.length > 1) {
+            int[] newSequence = new int[sequence.length - 1];
+
+            for (int i = 0; i < sequence.length - 1; i++) {
+                newSequence[i] = sequence[i] + sequence[i + 1];
+                if (newSequence[i] > 101) {
+                    newSequence[i] -= 101;
+                }
+            }
+
+            sequence = newSequence;
+        }
+
+        // 最後
+        return sequence[0];
+    }
+}