Track / Stage 5 / 67 of 400 #667 of 1964

Problem 667

AIME late

Number theory Difficulty 5.2 Find the answer

3. Encipher the message SURRENDER IMMEDIATELY using the affine transformation $C \equiv 11 P+18(\bmod 26)$ .

Your answer

A number or a short expression. Fractions can be typed as 3/2, and spacing doesn't matter.

Official solution

3. IEXXK FZKXC UUKZC STKJW

Source: NuminaMath-1.5, licensed Apache-2.0. Statement and solution reproduced as published; topic, difficulty and ordering added by this site.