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?

S42x14a10x10d15x14l34x12y31x14,22x10 26x14t11x13h34x11i12x12s31x16 20x13i43x13s41x16 40x12n21x16o37x14t43x10 28x16t36x13h43x14e40x16 36x14m42x10e10x14s31x15s40x13a17x14g15x13e43x15 35x11y37x12o20x10u12x15 34x10a17x10r26x13e12x13 37x10l22x16o43x16o25x10k25x14i25x13n35x13g25x12 27x11f36x15o10x11r10x12 25x11:34x15(26x12 15x16T42x13r27x15y40x15 35x12f34x13u41x10r10x13t15x10h12x10e37x13r17x15!17x12o12x14o20x11o17x13o10x15o17x16o37x11o12x11o34x14o40x14o37x16o20x16o15x15o20x12o37x15o25x15o17x11o20x15o21x10o10x16o12x16o31x12o16x10o15x11o40x10o28x10o31x10o31x13o16x13o42x16o15x12o20x14o25x16o31x11o40x11o34x16