Track / Stage 5 / 107 of 400 #707 of 1964

Problem 707

AIME late

Number theory Difficulty 5.2 Find the answer

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 reproduced verbatim; metadata (topic, difficulty, ordering) added by this project.