Ciphertext c is a result of encryption by RSA with (n, e) public key. The flag is a sensible text.

n: 158168890645747636339512652656727367370140893295030333823920833363025940906055891357316994482461476576118114207681214323912652527927215053128809927932495206979837034713724140745400652922252749994983891690894724877897453440237829719520264826887839607084620792280551479756249230842706713662875715392719130358089

e: 65537 

c: 140823625180859595137593494178968497314300266616869468408596741823165198698204065579249727536890649445240801729293482339393915146972721826733382396566284303449925618355682242041225432010603850355326962069585919704623290128021782032477132287121179121257196031074006842188551083381364957799238533440938240326919