1.0 KB | 1021 chars
"""
[32860: 수수수수퍼노바](https://www.acmicpc.net/problem/32860)
Tier: Bronze 2
Category: arithmetic, implementation, math
"""
import sys
from math import sqrt, pi, sin, factorial, ceil, floor
from datetime import datetime, timedelta
SYS_INPUT = True
RECURSION_LIMIT = 10 ** 7
SET_RECURSION = False
BLANK = " "
if SET_RECURSION:
sys.setrecursionlimit(RECURSION_LIMIT)
inp = lambda : sys.stdin.readline().rstrip() if SYS_INPUT else input()
mii = lambda : [*map(int,inp().split())]
mfi = lambda : [*map(float,inp().split())]
ii = lambda : int(inp())
fi = lambda : float(inp())
isplit = lambda : inp().split()
p = print
def gcd(a, b): return gcd(b, a % b) if b > 0 else a
def lcm(a, b): return a * b // gcd(a, b)
def solve():
y, idx = mii()
idx -=1
s = ""
if idx < 26:
s = chr(idx+65)
else:
while idx >= 26:
s += chr(idx%26+97)
idx = idx//26 - 1
s += chr(idx+97)
s = s[::-1]
print(f"SN {y}{s}")
if __name__ == "__main__":
tc = 1
for t in range(1, tc+1):
ret = solve()