A paranoid friend has sent me a message, but in his paranoid mind he forgot to tell me how to decode it.
If Picasso got a computer he would know what to do!
What can I do now?

S27x15a10x15d40x11l10x12y40x14,34x16 15x14t15x15h31x12i26x12s34x15 37x15i28x16s12x14 35x12n12x12o35x13t17x13 42x16t17x11h20x16e12x13 16x10m42x13e34x14s34x11s15x13a25x13g20x12e40x15 25x14y43x15o12x16u34x12 31x16a15x10r41x10e28x10 20x14l12x11o43x14o10x13k25x11i12x10n15x11g12x15 36x14f22x16o31x15r17x16 40x12:17x10(37x12 36x13T31x11r40x13y10x11 35x11f43x16u41x16r11x13t27x11h25x10e36x15r10x10!26x14o10x14o16x13o40x10o25x15o20x11o34x13o37x11o40x16o31x10o20x10o26x13o17x12o37x10o15x12o42x10o25x12o22x10o17x15o25x16o34x10o20x15o21x16o37x16o37x14o17x14o42x14o43x13o31x13o15x16o43x10o37x13o31x14o21x10o10x16o20x13